Logstash is an open source, server-side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it.
License: Open Source
Logstash is an open-source tool primarily designed for log processing and transformation, while Datadog is a comprehensive monitoring and analytics platform that offers a broader range of features including performance monitoring and anomaly detection. Logstash excels at handling logs in real-time, whereas Datadog provides a user-friendly interface and AI-driven insights.